/**
 * Copyright (C) 2009 - 2013 SC 4ViewSoft SRL
 * <p/>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.achartengine.chartdemo.demo.chart;

import android.content.Context;
import android.content.Intent;
import android.graphics.Color;

import org.achartengine.ChartFactory;
import org.achartengine.chart.PointStyle;
import org.achartengine.renderer.XYMultipleSeriesRenderer;
import org.achartengine.renderer.XYSeriesRenderer;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;

/**
 * Scatter demo chart.
 */
public class ScatterChart extends AbstractDemoChart {
    /**
     * Returns the chart name.
     *
     * @return the chart name
     */
    public String getName() {
        return "Scatter chart";
    }

    /**
     * Returns the chart description.
     *
     * @return the chart description
     */
    public String getDesc() {
        return "Randomly generated values for the scatter chart";
    }

    /**
     * Executes the chart demo.
     *
     * @param context the context
     * @return the built intent
     */
    public Intent execute(Context context) {
        String[] titles = new String[]{"Series 1", "Series 2", "Series 3", "Series 4", "Series 5"};
        List<double[]> x = new ArrayList<double[]>();
        List<double[]> values = new ArrayList<double[]>();
        int count = 20;
        int length = titles.length;
        Random r = new Random();
        for (int i = 0; i < length; i++) {
            double[] xValues = new double[count];
            double[] yValues = new double[count];
            for (int k = 0; k < count; k++) {
                xValues[k] = k + r.nextInt() % 10;
                yValues[k] = k * 2 + r.nextInt() % 10;
            }
            x.add(xValues);
            values.add(yValues);
        }
        int[] colors = new int[]{Color.BLUE, Color.CYAN, Color.MAGENTA, Color.LTGRAY, Color.GREEN};
        PointStyle[] styles = new PointStyle[]{PointStyle.X, PointStyle.DIAMOND, PointStyle.TRIANGLE,
                PointStyle.SQUARE, PointStyle.CIRCLE};
        XYMultipleSeriesRenderer renderer = buildRenderer(colors, styles);
        setChartSettings(renderer, "Scatter chart", "X", "Y", -10, 30, -10, 51, Color.GRAY,
                Color.LTGRAY);
        renderer.setXLabels(10);
        renderer.setYLabels(10);
        length = renderer.getSeriesRendererCount();
        for (int i = 0; i < length; i++) {
            ((XYSeriesRenderer) renderer.getSeriesRendererAt(i)).setFillPoints(true);
        }
        return ChartFactory.getScatterChartIntent(context, buildDataset(titles, x, values), renderer);
    }

}
